Anti-deviation cutting device for lithium battery production

Abstract

The utility model discloses an anti-deviation cutting device for lithium battery production. The anti-deviation cutting device comprises a deviation rectifying mechanism and a first driving motor installed on one side of the deviation rectifying mechanism. A positioning mechanism and a second driving motor mounted on the top surface of the positioning mechanism are arranged on one side of the deviation rectifying mechanism; the deviation rectifying mechanism comprises a base, one side of the top of the base is fixedly connected with a first driving motor, the output end of the first driving motor is connected with a first belt in an attached mode, and the end, away from the first driving motor, of the first belt is connected with a first roller in an attached mode; first supporting plates are rotationally connected to the front end and the rear end of the first roller correspondingly, and the bottom ends of the first supporting plates are fixedly connected with the base. The side, close to the first belt, of the output end of the first driving motor is connected with a second belt in an attached mode, and the deviation rectifying mechanism is arranged so that the phenomenon that the electrode plates deviate in the conveying process can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery processing, in particular to an anti-deviating cutting device for lithium battery production. Background Art

[0002] Compared with fuel cells and lead-acid batteries, lithium-ion batteries have the advantages of light weight, large energy storage, high power, no pollution, no secondary pollution, long life, small self-discharge coefficient, and wide temperature adaptability. They are widely used in various electronic products. In the production of lithium batteries, according to different customer requirements and different models, the width and length of the electrode required in the production process are different.

[0003] Publication No. CN209007048U discloses a cutting device for lithium battery production. The pole piece can be conveyed by a conveyor belt in a flattening structure. The pressing block above the conveyor belt can flatten the pole piece on the conveyor belt, so that the pole piece is in a flat state when entering between the cutting roller and the bottom roller, which is conducive to the smooth and stable cutting of the pole piece. However, the patent still has the following problems in actual use:

[0004] Although the cutting device for lithium battery production can convey the pole pieces through the conveyor belt in the flattening structure, the pole pieces are prone to deviation during the conveying process, thereby affecting the accuracy of the pole piece cutting.

[0005] A cutting device for lithium battery production with anti-deviating function is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a cutting device for lithium battery production with an anti-deviated structure, so as to solve the problem raised in the above-mentioned background technology that the pole piece can be conveyed by a conveyor belt in a flattening structure, but the pole piece is prone to deviation during the conveying process, thereby affecting the accuracy of the pole piece cutting.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-deviation cutting device for lithium battery production, comprising a deviation correction mechanism, and a first driving motor installed on one side of the deviation correction mechanism;

[0008] A positioning mechanism is provided on one side of the deviation correction mechanism, and a second driving motor is installed on the top surface of the positioning mechanism;

[0009] Also includes:

[0010] The deviation correction mechanism includes a base, one side of the top of the base is fixedly connected to the first drive motor, the output end of the first drive motor is closely connected to the first belt, the end of the first belt away from the first drive motor is closely connected to the first roller, the front and rear ends of the first roller are rotatably connected to the first support plate, and the bottom end of the first support plate is fixedly connected to the base;

[0011] The output end of the first driving motor is closely connected to the side of the first belt, the second belt is closely connected to the end away from the first driving motor, the second roller is closely connected to the front and rear ends of the second roller, and the second support plate is rotatably connected to the bottom end of the second support plate. The base is fixedly connected;

[0012] Among them, the second support plate is rotatably connected to the third roller on one side close to the second roller, the surface of the third roller is bonded to an electrode sheet, the electrode sheet is bonded to the first support roller on one side close to the first roller, and the bottom end of the first support roller is fixedly connected to the base.

[0013] Preferably, a side of the base close to the second support plate is fixedly connected to a support platform, both ends of one side of the top of the support platform are fixedly connected to a correction frame, a cylinder is provided on one side of the correction frame, and the bottom side of the cylinder is fixedly connected to the support platform.

[0014] Preferably, the output end of the cylinder passes through the deviation correction frame and is fixedly connected to a connecting block, both ends of the connecting block are slidably connected to guide rails, and both ends of the two guide rails are fixedly connected to the deviation correction frame.

[0015] Preferably, the top of the connecting block is fitted with a supporting block, one end of the supporting block is threadedly connected to a bolt, the bottom end of the bolt is threadedly connected to the connecting block, the other end of the supporting block is rotatably connected to a roller, and the surface of the roller is fitted with the electrode sheet.

[0016] Preferably, sensors are provided at both ends of the electrode sheet close to the roller, the bottom end of the sensor is fixedly connected to the support platform, the side of the electrode sheet away from the roller is fitted with a second support roller, and the bottom end of the second support roller is fixedly connected to the support platform.

[0017] Preferably, the positioning mechanism includes an extrusion frame, the bottom end of the extrusion frame is fixedly connected to the support platform, the center position of the top end of the extrusion frame is fixedly connected to the second drive motor, the output end of the second drive motor passes through the extrusion frame and is fixedly connected to a worm, and one side of the worm is meshingly connected to a worm wheel.

[0018] Preferably, a bidirectional threaded rod is fixed at the center position inside the worm gear, both ends of the bidirectional threaded rod are rotatably connected to the extrusion frame, both ends of the bidirectional threaded rod are symmetrically threadedly connected with threaded sleeves, the bottom ends of the two threaded sleeves are rotatably connected with connecting rods, the end of the connecting rod away from the threaded sleeve is rotatably connected to a positioning block, one end of the positioning block is rotatably connected to an extrusion roller, a bottom plate is provided below the extrusion roller, the bottom of the bottom plate is fixedly connected to a support table, and a cutting device is installed on the side of the support table close to the extrusion frame.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: the anti-deviation cutting device for lithium battery production can prevent the electrode sheet from being deviated during the transmission process by setting a deviation correction mechanism, and can fix the position of the electrode sheet when cutting the electrode sheet by setting a positioning mechanism, so as to prevent the electrode sheet from being deviated due to the force generated during cutting, thereby affecting the cutting of the electrode sheet. The specific contents are as follows:

[0020] 1. The deviation correction mechanism can be set to avoid the electrode sheet from being offset during the transmission process. The first drive motor drives the first belt and the second belt to rotate simultaneously, thereby driving the first roller and the second roller to rotate simultaneously. The cooperation between the first roller, the second roller, the third roller and the electrode sheet can slowly drive the electrode sheet forward. When the electrode sheet is offset, the sensor sends a signal to the controller, and the cylinder is started by the controller. The piston rod of the cylinder drives the connecting block to slide on the outside of the guide rail, thereby fine-tuning the roller to reset the electrode sheet.

[0021] 2. By setting up a positioning mechanism, the position of the electrode sheet can be fixed when the electrode sheet is cut, so as to avoid the electrode sheet being offset due to the force generated during cutting, thereby affecting the cutting of the electrode sheet. The worm is driven to rotate by the second drive motor, and the meshing action between the worm and the worm wheel is utilized to drive the bidirectional threaded rod to rotate. The thread action between the bidirectional threaded rod and the threaded sleeve is utilized to drive the two connecting rods to rotate around the threaded sleeve while driving the extrusion roller to move downward. The position of the electrode sheet can be fixed by the cooperation between the extrusion roller and the bottom plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 A schematic diagram of the structure at the middle support platform is enlarged;

[0024] Figure 3 For this utility model Figure 2 Schematic diagram of the structure of the middle support platform from a top view;

[0025] Figure 4 For this utility model Figure 3 Enlarged structural diagram of the middle deviation correction frame;

[0026] Figure 5 For this utility model Figure 2 Schematic diagram of the side view of the central positioning mechanism.

[0027] In the figure: 1. deviation correction mechanism; 101. base; 102. first drive motor; 103. first belt; 104. first roller; 105. first support plate; 106. second belt; 107. second roller; 108. second support plate; 109. third roller; 110. electrode sheet; 111. first support roller; 112. support table; 113. deviation correction frame; 114. cylinder; 115. connecting block; 116. guide rail; 117. support block; 118. bolt; 119. roller; 120. sensor; 121. second support roller; 2. positioning mechanism; 201. extrusion frame; 202. second drive motor; 203. worm; 204. worm wheel; 205. bidirectional threaded rod; 206. threaded sleeve; 207. connecting rod; 208. positioning block; 209. extrusion roller; 210. bottom plate; 211. cutting equipment. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-5 The utility model provides a technical solution: a cutting device for lithium battery production with anti-deviation, comprising a correction mechanism 1, and a first drive motor 102 installed on one side of the correction mechanism 1; a positioning mechanism 2 is provided on one side of the correction mechanism 1, and a second drive motor 202 installed on the top surface of the positioning mechanism 2; the correction mechanism 1 comprises a base 101, one side of the top of the base 101 is fixedly connected to the first drive motor 102, the output end of the first drive motor 102 is fitted with a first belt 103, the end of the first belt 103 away from the first drive motor 102 is fitted with a first roller 104, the front and rear ends of the first roller 104 are rotatably connected to the first support plate 105, the bottom end of the first support plate 105 is fixedly connected to the base 101, and the first belt 103 and the second belt 106 are driven to rotate simultaneously by the first drive motor 102;

[0030] Among them, the output end of the first driving motor 102 is closely connected to the side of the first belt 103 with the second belt 106, and the end of the second belt 106 away from the first driving motor 102 is closely connected to the second roller 107, and the front and rear ends of the second roller 107 are rotatably connected to the second support plate 108, and the bottom end of the second support plate 108 is fixedly connected to the base 101. Pulleys are provided at both ends of the inner wall of the first belt 103 and the second belt 106, so that the first driving motor can drive the first belt to rotate;

[0031] The second support plate 108 is rotatably connected to a third roller 109 on one side close to the second roller 107, and an electrode sheet 110 is bonded to the surface of the third roller 109. The electrode sheet 110 is bonded to a first support roller 111 on one side close to the first roller 104. The bottom end of the first support roller 111 is fixedly connected to the base 101, and the first roller 104, the second roller 107 and the third roller 109 are all bonded to the electrode sheet 110.

[0032] A support platform 112 is fixedly connected to one side of the base 101 close to the second support plate 108, and both ends of one side of the top of the support platform 112 are fixedly connected to a correction frame 113, and a cylinder 114 is provided on one side of the correction frame 113, and the bottom side of the cylinder 114 is fixedly connected to the support platform 112, and the correction frames 113 are symmetrically arranged on both sides of the electrode sheet 110;

[0033] The output end of the cylinder 114 passes through the deviation correction frame 113 and is fixedly connected to a connection block 115. Both ends of the connection block 115 are slidably connected to guide rails 116. Both ends of the two guide rails 116 are fixedly connected to the deviation correction frame 113. The provision of the guide rails 116 can improve the stability of the movement of the connection block 115.

[0034] The top of the connection block 115 is fitted with a support block 117, one end of the support block 117 is threadedly connected with a bolt 118, the bottom end of the bolt 118 is threadedly connected to the connection block 115, and the other end of the support block 117 is rotatably connected with a roller 119, the surface of the roller 119 is fitted with the electrode sheet 110, and the position of the support block 117 can be adjusted by setting the bolt 118;

[0035] Sensors 120 are provided at both ends of the electrode sheet 110 close to the roller 119, the bottom end of the sensor 120 is fixedly connected to the support platform 112, and a second support roller 121 is attached to the side of the electrode sheet 110 away from the roller 119, the bottom end of the second support roller 121 is fixedly connected to the support platform 112, and one end of the sensor 120 is connected to a controller, which can control whether the cylinder 114 is started;

[0036] The positioning mechanism 2 includes an extrusion frame 201, the bottom end of the extrusion frame 201 is fixedly connected to the support platform 112, the center position of the top end of the extrusion frame 201 is fixedly connected to the second drive motor 202, the output end of the second drive motor 202 passes through the extrusion frame 201 and is fixedly connected to a worm 203, one side of the worm 203 is meshedly connected to a worm wheel 204, and the worm 203 is driven to rotate by the second drive motor 202;

[0037] A bidirectional threaded rod 205 is fixed at the center position inside the worm gear 204, and both ends of the bidirectional threaded rod 205 are rotatably connected to the extrusion frame 201. The two ends of the bidirectional threaded rod 205 are symmetrically threadedly connected with threaded sleeves 206, and the bottom ends of the two threaded sleeves 206 are rotatably connected with connecting rods 207, and the end of the connecting rod 207 away from the threaded sleeve 206 is rotatably connected to a positioning block 208, and one end of the positioning block 208 is rotatably connected to an extrusion roller 209, and a bottom plate 210 is arranged below the extrusion roller 209, and the bottom of the bottom plate 210 is fixedly connected to the support table 112, and a cutting device 211 is installed on the side of the support table 112 close to the extrusion frame 201, and the threaded action between the bidirectional threaded rod 205 and the threaded sleeve 206 is utilized to drive the two connecting rods 207 to rotate around the threaded sleeve 206 while driving the extrusion roller 209 to move downward, and the cooperation between the extrusion roller 209 and the bottom plate 210 can fix the position of the electrode sheet 110.

[0038] Working principle: Before using this anti-deviated lithium battery production cutting device, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 5 As shown, firstly, the electrode sheet roller is placed on the first roller 104, and the first driving motor 102 is started to drive the first belt 103 and the second belt 106 to rotate simultaneously, thereby driving the first roller 104 and the second roller 107 to rotate simultaneously, and the cooperation between the first roller 104, the second roller 107, the third roller 109 and the electrode sheet 110 can slowly drive the electrode sheet 110 forward. When the electrode sheet deviates, the sensor 120 sends a signal to the controller, and the cylinder 114 is started by the controller, and the piston rod of the cylinder 114 is used to drive the connecting block 115 to slide on the outer side of the guide rail 116, so as to fine-tune the roller 119, so that the electrode sheet 110 can be reset;

[0039] Secondly, when it is necessary to cut the electrode sheet 110, first turn off the first drive motor 102, and then start the second drive motor 202 to drive the worm 203 to rotate, and utilize the meshing action between the worm 203 and the worm wheel 204 to drive the bidirectional threaded rod 205 to rotate, and utilize the thread action between the bidirectional threaded rod 205 and the threaded sleeve 206 to drive the two connecting rods 207 to rotate around the threaded sleeve 206 while driving the extrusion roller 209 to move downward, and utilize the cooperation between the extrusion roller 209 and the bottom plate 210 to fix the position of the electrode sheet 110, and finally start the cutting device 211 to cut the electrode sheet 110.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cutting device for lithium battery production with an anti-deviation function, comprising a deviation correction mechanism (1), and a first drive motor (102) mounted on one side of the deviation correction mechanism (1); A positioning mechanism (2) and a second drive motor (202) mounted on the top surface of the positioning mechanism (2) are provided on one side of the deviation correction mechanism (1); It is characterized in that Also includes: The deviation correction mechanism (1) comprises a base (101), one side of the top of the base (101) is fixedly connected to a first drive motor (102), the output end of the first drive motor (102) is closely connected to a first belt (103), one end of the first belt (103) away from the first drive motor (102) is closely connected to a first roller (104), the front and rear ends of the first roller (104) are both rotatably connected to a first support plate (105), and the bottom end of the first support plate (105) is fixedly connected to the base (101); The output end of the first drive motor (102) is closely connected to a second belt (106) at one side close to the first belt (103); the second belt (106) is closely connected to an end away from the first drive motor (102); the second roller (107) is rotatably connected to a second support plate (108) at both front and rear ends of the second roller (107); and the bottom end of the second support plate (108) is fixedly connected to the base (101); The second support plate (108) is rotatably connected to a third roller (109) on one side close to the second roller (107); an electrode sheet (110) is bonded to the surface of the third roller (109); a first support roller (111) is bonded to the side of the electrode sheet (110) close to the first roller (104); and the bottom end of the first support roller (111) is fixedly connected to the base (101).

2. The anti-deviating cutting device for lithium battery production according to claim 1, characterized in that: A support platform (112) is fixedly connected to one side of the base (101) close to the second support plate (108); both ends of one side of the top of the support platform (112) are fixedly connected to a deviation correction frame (113); a cylinder (114) is provided on one side of the deviation correction frame (113); and the bottom side of the cylinder (114) is fixedly connected to the support platform (112).

3. The anti-deviating cutting device for lithium battery production according to claim 2, characterized in that: The output end of the cylinder (114) passes through the deviation correction frame (113) and is fixedly connected to a connection block (115), both ends of the connection block (115) are slidably connected to guide rails (116), and both ends of the two guide rails (116) are fixedly connected to the deviation correction frame (113).

4. The anti-deviating cutting device for lithium battery production according to claim 3, characterized in that: The top of the connection block (115) is fittedly connected to a support block (117), one end of the support block (117) is threadedly connected to a bolt (118), the bottom end of the bolt (118) is threadedly connected to the connection block (115), the other end of the support block (117) is rotatably connected to a roller (119), and the surface of the roller (119) is fittedly connected to the electrode sheet (110).

5. The anti-deviating cutting device for lithium battery production according to claim 4, characterized in that: Sensors (120) are provided at both ends of the electrode sheet (110) on the side close to the roller (119), the bottom end of the sensor (120) is fixedly connected to the support platform (112), and a second support roller (121) is fittedly connected to the side of the electrode sheet (110) away from the roller (119), the bottom end of the second support roller (121) is fixedly connected to the support platform (112).

6. The anti-deviating cutting device for lithium battery production according to claim 1, characterized in that: The positioning mechanism (2) comprises an extrusion frame (201), the bottom end of the extrusion frame (201) is fixedly connected to the support platform (112), the center position of the top end of the extrusion frame (201) is fixedly connected to the second drive motor (202), the output end of the second drive motor (202) passes through the extrusion frame (201) and is fixedly connected to a worm (203), and one side of the worm (203) is meshingly connected to a worm wheel (204).

7. The anti-deviating cutting device for lithium battery production according to claim 6, characterized in that: A bidirectional threaded rod (205) is fixed at the central position inside the worm gear (204); both ends of the bidirectional threaded rod (205) are rotatably connected to the extrusion frame (201); both ends of the bidirectional threaded rod (205) are symmetrically threadedly connected to threaded sleeves (206); the bottom ends of the two threaded sleeves (206) are rotatably connected to connecting rods (207); one end of the connecting rod (207) away from the threaded sleeves (206) is rotatably connected to a positioning block (208); one end of the positioning block (208) is rotatably connected to an extrusion roller (209); a bottom plate (210) is provided below the extrusion roller (209); the bottom of the bottom plate (210) is fixedly connected to a support platform (112); and a cutting device (211) is installed on a side of the support platform (112) close to the extrusion frame (201).

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